Home / 5,226.39-7,839.14-3,389.06

Finding the Fourth Proportional to 5,226.39, 7,839.14 and 3,389.06

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Solution

The fourth proportional to 5,226.39, 7,839.14 and 3,389.06 is: 5,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.39 : 7,839.14 = 3,389.06 : x
  2. Step 2: Convert to fraction form
    5,226.39/7,839.14 = 3,389.06/x
  3. Step 3: Cross multiply
    5,226.39x = 7,839.14 × 3,389.06
  4. Step 4: Simplify right side
    5,226.39x = 26,567,318.46
  5. Step 5: Solve for x
    x = 26,567,318.46/5,226.39
  6. Step 6: Final answer
    x = 5,083.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.